According to data from HM Land Registry, 70, William Street, Caerphilly sits on a plot of 113 m².

We have plot size data on 23 out of 28 other houses in the postcode and 70, William Street, Caerphilly sits on the 12th largest plot.

70, William Street, Caerphilly has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 22 Oct 2020.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 70, William Street, Caerphilly was last sold on 21st January 2022 for £125,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since January 2022, the market for similar properties has risen by 38.4%.

• Sold Jan 2022£125,000
• Sold Jul 2006£107,000
• Sold Mar 2001£40,000

According to the Land Registry and our network of Estate Agents, there have been 53 sales of properties similar to 70, William Street, Caerphilly within a radius of 1.1 kilometres since 2017.

The most recent example is 12, Coronation Street, Caerphilly, CF83 8DL, a freehold house which sold for £149,000 on the 8th April 2026.

Read more about house prices in CF83.

• Sold Apr 2026£149,000 | 3 Bed House12, Coronation Street, Caerphilly, CF83 8DL12, Coronation Street, Caerphilly, CF83 8DL
• Sold Mar 2026£188,000 | 3 Bed House42, Mary Street, Caerphilly, CF83 8HN42, Mary Street, Caerphilly, CF83 8HN
• Sold Feb 2026£155,000 | 3 Bed House15, Coronation Street, Caerphilly, CF83 8DL15, Coronation Street, Caerphilly, CF83 8DL
• Sold Oct 2025£154,000 | 3 Bed House6, William Street, Caerphilly, CF83 8DQ6, William Street, Caerphilly, CF83 8DQ
• Sold Dec 2024£137,500 | 3 Bed House1, Thomas Street, Caerphilly, CF83 8DP1, Thomas Street, Caerphilly, CF83 8DP
• Sold Sep 2024£160,000 | 3 Bed House21, Thomas Street, Caerphilly, CF83 8DP21, Thomas Street, Caerphilly, CF83 8DP
• Sold Aug 2024£159,000 | 3 Bed House29, Thomas Street, Caerphilly, CF83 8DP29, Thomas Street, Caerphilly, CF83 8DP
• Sold Mar 2024£133,000 | 3 Bed House34, Coronation Street, Caerphilly, CF83 8DL34, Coronation Street, Caerphilly, CF83 8DL
• Sold Sep 2023£150,000 | 3 Bed House41, Mary Street, Caerphilly, CF83 8HN41, Mary Street, Caerphilly, CF83 8HN
• Sold Sep 2023£122,000 | 3 Bed House93, James Street, Caerphilly, CF83 8FY93, James Street, Caerphilly, CF83 8FY
• Sold Apr 2023£146,500 | 3 Bed House39, Mary Street, Caerphilly, CF83 8HN39, Mary Street, Caerphilly, CF83 8HN
• Sold Apr 2022£150,000 | 3 Bed House4, Thomas Street, Caerphilly, CF83 8DP4, Thomas Street, Caerphilly, CF83 8DP
• Sold Mar 2022£130,000 | 3 Bed House64, James Street, Caerphilly, CF83 8FY64, James Street, Caerphilly, CF83 8FY
• Sold Mar 2022£149,000 | 3 Bed House74, James Street, Caerphilly, CF83 8FY74, James Street, Caerphilly, CF83 8FY
• Sold Dec 2021£149,000 | 3 Bed House87, James Street, Caerphilly, CF83 8FY87, James Street, Caerphilly, CF83 8FY
• Sold Nov 2021£140,000 | 3 Bed House92, William Street, Caerphilly, CF83 8FX92, William Street, Caerphilly, CF83 8FX
• Sold Jul 2021£104,000 | 3 Bed House49, Thomas Street, Caerphilly, CF83 8DP49, Thomas Street, Caerphilly, CF83 8DP
• Sold Dec 2020£120,000 | 3 Bed House38, Coronation Street, Caerphilly, CF83 8DL38, Coronation Street, Caerphilly, CF83 8DL
• Sold Oct 2019£115,500 | 3 Bed House25, Mary Street, Caerphilly, CF83 8HN25, Mary Street, Caerphilly, CF83 8HN
• Sold Dec 2017£103,000 | 3 Bed House60, William Street, Caerphilly, CF83 8FX60, William Street, Caerphilly, CF83 8FX

William Street, Trethomas, Caerphilly, CF83 has a total of 71 addresses. According to our analysis of all the public data, 70, William Street, Caerphilly is the 70th largest and the 70th most expensive property on the street.

When compared to the postcode district it is £76k less expensive than the average property in CF83.

• Energlyn & Churchill Park

  |

  3.6 km away
• Caerphilly

  |

  3.7 km away
• Llanbradach

  |

  3.8 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.